Valve.



No. 820,598. PATENTED MAY 15, 1906.

H. A. F. PETERSEN.

VALVE.

APrLI'oATIoN FILED JUNE 2o. 1905.

INVENTOR UNITED STATES PATENT OFFICE.

Specification of Letters Patent.

Patented May 15, 1906.

Application led June 20, 1905. Serial No. 266,088.

To a/ZZ whom, it may concern.-

Be it known that I, HENRY A. F. PETER- sEN, a citizen of the United States, residing at the city of New York, borough of the Bronx, in the county and State of New York, have invented certain new and useul Improvements in Valves, of which the following is a full, clear, and eXact speciiication.

My invention relates to improvements in means for controlling the passage and operation of fluids under pressure; and the same has for its object more particularly to provide a simple, eiiicient, and reliable valve adapted for use in connection with steamboiler, refrigeration, or other plants in which fluids under pressure are employed or circulated.

.Further, said invention has for its object to provide a valve,which will automatically operate to shut off or control the'passage of the iiuid therethrough when a break occurs in some part of the system or apparatus'or any other condition intervenes which will result in a variation of the pressure on one side ofthe valve or the other-as, for example, where a battery of steam-boilers is employed and a tube breaks in one of the units, the

r valve interposed between said unit and the main steam pipe or line will at once automatically close and disconnect the said unit from the remainder of the battery without causing any material loss in pressure oi the remainder of said battery.

To the attainment of these ends my invention consists in the novel details of construction and in the combination, connection, and arrangement of parts hereinafter more fully described and then pointed out in the claims.

In the accompanying drawings, forming part of this specification, wherein like figures of reference indicate like parts, Figure 1 is a central longitudinal section taken on the line l 1 of Fig. 2, illustrating a valve made according to and embodying my said invention; and Fig. 2 is a transverse section of the same, taken on the line 2 2 of Fig. 1.

In said drawings, 10 designates a cylindrical valve-casing having a flanged inlet portion 11 at the center of its under side and a flanged outlet portion 12 at its upper sidel p opposite to said inlet portion.

13 denotes a partition extending transversely across the interior of the casing 10- and dividing the same into two separate compartments 14 15. The partition is prothe norma respectively, the interior portions of which are in alinement and vcommunicate with the interior ofthe casing 10.

19 denotes a valve-stem which extends through the cylindrical portion 18 of the head 17 and into the casing 10 -and cylindrical portion 18 of the head 17, and 20 denotes a stuflin -boX provided in the end of the head 17 t ough which the end of the valve-stem 19 passes.

Upon the portions of the valve-stem 19 within the cylindrical ortions 18 18 the heads 17 17 are secured ollowpistons 21 21 respectively, and upon the portions of said valve-stem within the compartments 14 15 are secured ilat circular valves 22 22, which are held duly in position upon said valvestem and separated from each otherand the pistons 21 21 by tubular spacing sections 23, arran ed upon the valve-stem 19. 24 denotes a racket which is secured at one end to the under side of the cylindrical portion 18 ofthe head 17 and carries at its outer end a pivoted lever 25, which is pivotally secured at its upper end to the projecting end of the valve-stem 19 by a link 26.

The cylindrical portion 18 ofthe head 17 is provided adjacent to its outer end with a port 27 and the iianged inlet portion 1 1 of the casing 10 with a similar port 28, and 29 denotes a pipe connected to said cylindrical portion 18 and inlet portion 11 and communicates with the interiors thereof through the ports 27 28 therein. The cylindrical ortion 18 and outlet portion 12 are provi ed, respectively, with similar ports 30 31 and connected together by apipe 32. 33 33 denote petcocks'provided in the inlet and outlet portions 11 12 of the valve. j The valve is to be arranged in the riser eX- tending from the boiler to the line and inter-I posed between the stop-valve and lthe line where only one stop-valve is employed or between the stop-valves where two are emloyed. l

The o eration is as follows: The valves 22 22 shou d be adjusted by means of the lever 25 to the osition shown at Fig. 1, which is As soon as any variation in the pressure occurs in any way, on one side ofthe IOO IIO

valve or the other a portion of the steam in the higher-pressure side passing through the casing Will also find its Way into the pi e 29 or 32, as the case may be, and enter t e end of the cylinder 18 or 18 and force the piston therein inward and sli htly move the stem 19 and valves carrie thereby and cause one of said valves to seat itself upon the seat 16 in the partition 13 and be thereafter forced firmly against its seat by the pressure of the steam in the compartment of the higher-pressure side. As soon as the cause of the trouble has been corrected the valve may be again instantly restored to-its initial l under influence o position by meansof the lever 25, which Will also indicate the position of said valve. The excess of pressure may be relieved or the pressure varied upon one side of the valve or the other by simply opening one or the other of the petcocks 33, as re uired.

It W1ll of course be un erstood that the invention yis not confined to steam-boilers, but may be utilized for many purposes in which fiuids under ressure are employed or controlled--as, or example, in an ammonia plant between compressor and condenser.

Without limiting myself to the details of construction, which may be varied Within the scope of the invention, what I claim, and desire to secure by Letters Patent, is 1. A valve for the purposes specified, comprising a casing, a plurahty of valves therein, and means adapted to operate under variation of pressure of the o erating fiuid to actuate certain of said va ves to prevent the passage of said fluid therethrough in either direction, substantially as specified.

2. A valve for the urposes specified, comprising a casin auxi iary means connecting said casing Wit the line adjacent to the inlet and outlet ortions of said casing,'a plurality of valves t erein, and means therein operating in response to variations in the ressure of the operating fluid to actuate sai valves to control the passage of said fluid therethrou h, substantially as specified.

3. valve for the purposesspecified, comprising a casing, a plurality of connected valves therein, and lmeans adapted to operate under influence of the operating fluid to actuate a part of said valves to prevent the passage of iiuid therethrough as the pressure thereof is caused to vary in the line to either side of said casing, substantially as specified.

' 4. A valve for the purposes specified, coinprising a casing, auxiliary means connecting said casing Wit the line adjacent .to the inlet and outlet portions of said casin valves arranged therein, a stem for said va ves, pistons on said stem adapted to Work in said casing the operating fluid, and yactuate said valves to control the assage of said fluid therethrough, substantial y as specified.

5. A valve for the purposes specified, comprising a casing having cy inders therein, coinmunicating With .the inlet and outlet portions of said casing, a stem arranged in said casing, pistons on said stem, ada ted to Work in said cylinders, valves arrange upon said stem intermediate said pistons, said pistons being adapted to operate under influence of the operating fluid to actuate certain of said valves to control the passage of fluid therethrough in either direction, substantially as specified.

6. A valve for the purposes specified, comprising a casing having cylinders at its opposite ends communicating With the inlet and outlet portions of said casing, a stem arranged in said casing', pistons secured upon said stem and adapted to Work in said cylinders, valves arranged upon said stem intermediate said pistons, and means arranged Without said casing for actuating said pistons and valves, substantially as specified.

7. A valve for the purposes specified, comprising a casin having cylinders arranged at lts opposite en s communicating With the inlet and outlet portions of said casing, a stem arn ranged in said casing having pistons arran ed thereon upon the portions Within the cy i11- ders, and valves u on said stem intermediate tiallyas specified.

8. A valve for the purposes specified, comprising a casin having cylinders arranged at its opposite en sin alinement with each other and communicating with the inlet and outlet said cylinders an pistons thereon, substanortions of said casing, valve-seats in said caslng intermediate said cylinders, a stem arranged in said casing and cylinders, having pistons arranged thereon upon the portions Within said cylinders, and valves intermediate'said pistons and seats, substantially as specified.

9. A valve for the purposes specified, comprising a casing having cylindrical heads secured to its opposite ends communicating with the inlet and outlet portions of said casing, a artition in said casing having valveseats t erein, a stein arranged in said casing and extending through the partition therein and into the cylindrical heads and adapted for longitudinal movement therein, pistons arranged upon said stem Within the cylindrical ends, and valves Ifixed upon said stem intermediate the pistons thereon, and the sides of the partition aforesaid, substantially as specified.V

10. Avalve for the purposes specified, comprising a casing having cylindrical heads secured to its opposite ends communicating with the inlet and outlet portions of said casing, a transverse partition in said casing having an opening therein, a bearing arranged in said opening, a stem arranged partly Within and partly Without said casing and cylindrica heads,pistons arran ed thereon Within said cylindrical heads, an a valve fixed on said stem intermediate each piston and the partition aforesaid, and means arranged With- IOO.

IIO

out said casing connected to the projecting y end of the stem for actuating and adjusting the same, substantially as specified.

1 1. Avalve for the purposes specified, cornrising a casing having hollow cylindrical heads bolted to its opposite ends, pipes secured thereto and the inlet and outlet portions of the casing, a transverse partition in said casing having an opening therein, an annular bearing secured in said opening, a stem arranged partly within and partly Without said casing and cylindrical heads havin pistons arranged thereon within said cylindrical heads, and a valve fixed on said stem intermediate each piston and the partition aforesaid, a bracket secured to the outer side of said casing a lever pivotally mounted therein, and a lin connecting one end of said lever with the pro'ectn end ofthe stem extending through sai casing, substantially as specied.

Signed at the city of New York, in the county and State of New York, this 16th day of June, 1905.

HENRY A. PETERSEN.

Witnesses:

C. A. DIETERIOH, LoUIs B. HAsBRoUoK. 

